text: /*******************************************************************************
   *
   * MIT License
   *
   * Copyright (c) 2017 - 2022 Advanced Micro Devices, Inc.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
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   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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   *******************************************************************************/
  /* ************************************************************************
   * Copyright 2015 Vratis, Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   * ************************************************************************ */
  
  #pragma once
  #ifndef GUARD_RPP_KERNEL_CACHE_HPP_
  #define GUARD_RPP_KERNEL_CACHE_HPP_
  
  #include <hip/rpp/handle.hpp>
  #include <hip/rpp/kernel.hpp>
  #include <hip/rpp/simple_hash.hpp>
  #include <rpp.h>
  #include <string>
  #include <unordered_map>
  #include <vector>
  
  namespace rpp {
  
  /**
   * @brief The KernelCache class Build and cache kernels
   *
   */
  class KernelCache
  {
  
      public:
      using Key        = std::pair<std::string, std::string>;
      using KernelMap  = std::unordered_map<Key, std::vector<Kernel>, SimpleHash>;
      using ProgramMap = std::unordered_map<Key, Program, SimpleHash>;
  
      Kernel AddKernel(Handle& h,
                       const std::string& algorithm,
                       const std::string& network_config,
                       const std::string& program_name,
                       const std::string& kernel_name,
                       const std::vector<size_t>& vld,
                       const std::vector<size_t>& vgd,
                       std::string params            = "",
                       std::size_t cache_index       = 0,
                       bool is_kernel_str            = false,
                       const std::string& kernel_src = "");
  
      void AddKernel(Key key, Kernel k, std::size_t cache_index);
  
      void ClearKernels(const std::string& algorithm, const std::string& network_config);
  
      const std::vector<Kernel>& GetKernels(const std::string& algorithm,
                                            const std::string& network_config);
  
      bool HasKernels(const std::string& algorithm, const std::string& network_config) const;
  
      KernelCache();
  
      private:
      KernelMap kernel_map;
      ProgramMap program_map;
  };
  
  } // namespace rpp
  
  #endif // GUARD_RPP_KERNEL_CACHE_HPP_
  